کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6612770 | 459590 | 2014 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ordered Macroporous CdS-sensitized N-doped TiO2 Inverse Opals Films with Enhanced Photoelectrochemical Performance
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
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چکیده انگلیسی
The CdS sensitized N-TiO2 (CdS-N-TiO2) inverse opals films were prepared by a sol-gel method integrated with successive ionic layer adsorption and reaction (SILAR). In order to harvest the visible sunlight and enhance the photocurrent, photosensitization of CdS (narrow-bandgap semiconductor) and nitrogen doping are used to couple with TiO2 inverse opals. The good visible light absorption ability and significant increase of photoresponse of CdS-N-TiO2 inverse opals films have been observed compared to TiO2 or N-TiO2 inverse opals films. A promising photocurrent density of 0.83Â mA/cm2 has been achieved for the CdS-N-TiO2 inverse opal as photoanode at 1.23Â mV versus reversible hydrogen electrode (RHE) bias under simulated solar-light illumination. Because the synergistic effect of CdS sensitization and N-doping with periodically ordered inverse opal nanostructures, the photocurrent density is enhanced in comparison to the pristine TiO2 inverse opals films.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 146, 10 November 2014, Pages 378-385
Journal: Electrochimica Acta - Volume 146, 10 November 2014, Pages 378-385
نویسندگان
Cheng Cheng, Haisheng Wang, Juchuan Li, Hai Yang, Anjian Xie, Ping Chen, Shikuo Li, Fangzhi Huang, Yuhua Shen,